Institute Newton C. Braga

Circuit Bench

Non-linear amplifier (CB24008E)
In this circuit the gain decreases as the input signal intensity increases. The circuit is from a...
Bass Boost (CB945E)
This circuit was found in Italian magazine (1988), but can be mounted with ease even with the...
XR2208 AM Modulator (CB24547E)
We found this circuit in the April 1978 issue of Radio Electronics magazine. The power supply must...